./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:16:24,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:16:24,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:16:24,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:16:24,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:16:24,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:16:24,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:16:24,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:16:24,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:16:24,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:16:24,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:16:24,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:16:24,881 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:16:24,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:16:24,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:16:24,884 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:16:24,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:16:24,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:16:24,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:16:24,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:16:24,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:16:24,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:16:24,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:16:24,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:16:24,891 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:16:24,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:16:24,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:16:24,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:16:24,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:24,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:16:24,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:16:24,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:16:24,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:16:24,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:16:24,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:16:24,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:16:24,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:16:24,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:16:24,911 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:16:24,912 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2023-11-12 02:16:25,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:16:25,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:16:25,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:16:25,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:16:25,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:16:25,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2023-11-12 02:16:28,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:16:29,065 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:16:29,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2023-11-12 02:16:29,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/data/280059d35/e71771094ff7417a88dd0183ab57ef9d/FLAG66034991b [2023-11-12 02:16:29,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/data/280059d35/e71771094ff7417a88dd0183ab57ef9d [2023-11-12 02:16:29,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:16:29,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:16:29,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:29,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:16:29,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:16:29,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39176632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29, skipping insertion in model container [2023-11-12 02:16:29,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:16:29,444 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2023-11-12 02:16:29,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:29,669 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:16:29,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-12 02:16:29,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2023-11-12 02:16:29,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] [2023-11-12 02:16:29,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] [2023-11-12 02:16:29,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] [2023-11-12 02:16:29,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] [2023-11-12 02:16:29,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] [2023-11-12 02:16:29,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] [2023-11-12 02:16:29,706 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2023-11-12 02:16:29,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:29,872 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:16:29,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29 WrapperNode [2023-11-12 02:16:29,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:29,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:29,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:16:29,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:16:29,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,936 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 166 [2023-11-12 02:16:29,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:29,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:16:29,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:16:29,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:16:29,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:29,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:16:29,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:16:29,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:16:29,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:16:30,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (1/1) ... [2023-11-12 02:16:30,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:30,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:16:30,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:16:30,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:16:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:16:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-12 02:16:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-12 02:16:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-12 02:16:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-12 02:16:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-12 02:16:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-12 02:16:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-12 02:16:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-12 02:16:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-12 02:16:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-12 02:16:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-12 02:16:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-12 02:16:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:16:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-12 02:16:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-12 02:16:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:16:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:16:30,236 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:16:30,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:16:30,615 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:16:30,627 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:16:30,627 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:16:30,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:30 BoogieIcfgContainer [2023-11-12 02:16:30,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:16:30,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:16:30,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:16:30,645 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:16:30,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:16:29" (1/3) ... [2023-11-12 02:16:30,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c48314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:30, skipping insertion in model container [2023-11-12 02:16:30,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:29" (2/3) ... [2023-11-12 02:16:30,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c48314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:30, skipping insertion in model container [2023-11-12 02:16:30,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:30" (3/3) ... [2023-11-12 02:16:30,651 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2023-11-12 02:16:30,679 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:16:30,680 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:16:30,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:16:30,758 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52ffb4bc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:16:30,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:16:30,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:16:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 02:16:30,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:30,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:30,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:30,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:30,787 INFO L85 PathProgramCache]: Analyzing trace with hash 253223704, now seen corresponding path program 1 times [2023-11-12 02:16:30,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:30,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210837898] [2023-11-12 02:16:30,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:30,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:16:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:31,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:31,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210837898] [2023-11-12 02:16:31,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210837898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:31,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:31,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:16:31,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630106717] [2023-11-12 02:16:31,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:31,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:16:31,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:31,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:16:31,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:16:31,236 INFO L87 Difference]: Start difference. First operand has 81 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:16:31,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:31,286 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2023-11-12 02:16:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:16:31,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-12 02:16:31,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:31,299 INFO L225 Difference]: With dead ends: 154 [2023-11-12 02:16:31,299 INFO L226 Difference]: Without dead ends: 72 [2023-11-12 02:16:31,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:16:31,309 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:31,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:16:31,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-12 02:16:31,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-12 02:16:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-12 02:16:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2023-11-12 02:16:31,408 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 23 [2023-11-12 02:16:31,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:31,410 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2023-11-12 02:16:31,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:16:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2023-11-12 02:16:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 02:16:31,418 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:31,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:31,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:16:31,419 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:31,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:31,421 INFO L85 PathProgramCache]: Analyzing trace with hash 981629421, now seen corresponding path program 1 times [2023-11-12 02:16:31,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:31,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749298797] [2023-11-12 02:16:31,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:31,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:16:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:31,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:31,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749298797] [2023-11-12 02:16:31,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749298797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:31,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:31,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:16:31,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182231064] [2023-11-12 02:16:31,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:31,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:16:31,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:31,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:16:31,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:16:31,571 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:16:31,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:31,593 INFO L93 Difference]: Finished difference Result 105 states and 131 transitions. [2023-11-12 02:16:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:16:31,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-12 02:16:31,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:31,597 INFO L225 Difference]: With dead ends: 105 [2023-11-12 02:16:31,597 INFO L226 Difference]: Without dead ends: 63 [2023-11-12 02:16:31,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:16:31,600 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 17 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:31,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 134 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:16:31,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-12 02:16:31,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-12 02:16:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-12 02:16:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2023-11-12 02:16:31,616 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 24 [2023-11-12 02:16:31,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:31,617 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2023-11-12 02:16:31,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:16:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2023-11-12 02:16:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 02:16:31,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:31,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:31,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:16:31,621 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:31,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:31,623 INFO L85 PathProgramCache]: Analyzing trace with hash 826577867, now seen corresponding path program 1 times [2023-11-12 02:16:31,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:31,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958505517] [2023-11-12 02:16:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:31,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:31,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:16:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:31,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:31,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958505517] [2023-11-12 02:16:31,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958505517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:31,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:31,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:16:31,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891161611] [2023-11-12 02:16:31,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:31,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:16:31,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:31,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:16:31,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:16:31,765 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:16:31,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:31,813 INFO L93 Difference]: Finished difference Result 173 states and 222 transitions. [2023-11-12 02:16:31,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:16:31,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-12 02:16:31,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:31,820 INFO L225 Difference]: With dead ends: 173 [2023-11-12 02:16:31,820 INFO L226 Difference]: Without dead ends: 117 [2023-11-12 02:16:31,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:16:31,824 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:31,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 161 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:16:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-12 02:16:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2023-11-12 02:16:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 96 states have internal predecessors, (114), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-12 02:16:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 146 transitions. [2023-11-12 02:16:31,857 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 146 transitions. Word has length 29 [2023-11-12 02:16:31,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:31,858 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 146 transitions. [2023-11-12 02:16:31,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:16:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 146 transitions. [2023-11-12 02:16:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 02:16:31,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:31,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:31,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:16:31,862 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:31,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:31,863 INFO L85 PathProgramCache]: Analyzing trace with hash -166090445, now seen corresponding path program 1 times [2023-11-12 02:16:31,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:31,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662919255] [2023-11-12 02:16:31,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:31,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:16:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:32,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:32,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662919255] [2023-11-12 02:16:32,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662919255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:32,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:32,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:16:32,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811405629] [2023-11-12 02:16:32,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:32,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:16:32,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:32,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:16:32,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:16:32,099 INFO L87 Difference]: Start difference. First operand 114 states and 146 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:16:32,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:32,241 INFO L93 Difference]: Finished difference Result 199 states and 256 transitions. [2023-11-12 02:16:32,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:16:32,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2023-11-12 02:16:32,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:32,249 INFO L225 Difference]: With dead ends: 199 [2023-11-12 02:16:32,250 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:16:32,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:16:32,254 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 36 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:32,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 154 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:16:32,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:16:32,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:16:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:16:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:16:32,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2023-11-12 02:16:32,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:32,258 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:16:32,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:16:32,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:16:32,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:16:32,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:16:32,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:16:32,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:16:32,586 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 310 317) no Hoare annotation was computed. [2023-11-12 02:16:32,586 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 310 317) the Hoare annotation is: true [2023-11-12 02:16:32,586 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 310 317) no Hoare annotation was computed. [2023-11-12 02:16:32,587 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 269 275) no Hoare annotation was computed. [2023-11-12 02:16:32,587 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 269 275) the Hoare annotation is: true [2023-11-12 02:16:32,587 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 444 455) no Hoare annotation was computed. [2023-11-12 02:16:32,588 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 444 455) the Hoare annotation is: true [2023-11-12 02:16:32,588 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2023-11-12 02:16:32,588 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 456 464) the Hoare annotation is: true [2023-11-12 02:16:32,589 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 456 464) no Hoare annotation was computed. [2023-11-12 02:16:32,589 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2023-11-12 02:16:32,590 INFO L895 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:16:32,591 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 497 505) no Hoare annotation was computed. [2023-11-12 02:16:32,592 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2023-11-12 02:16:32,593 INFO L895 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:16:32,595 INFO L899 garLoopResultBuilder]: For program point L296-1(lines 277 301) no Hoare annotation was computed. [2023-11-12 02:16:32,596 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 245 268) no Hoare annotation was computed. [2023-11-12 02:16:32,597 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 420 431) no Hoare annotation was computed. [2023-11-12 02:16:32,597 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2023-11-12 02:16:32,597 INFO L899 garLoopResultBuilder]: For program point L383-2(lines 383 387) no Hoare annotation was computed. [2023-11-12 02:16:32,597 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2023-11-12 02:16:32,597 INFO L899 garLoopResultBuilder]: For program point L916(lines 916 929) no Hoare annotation was computed. [2023-11-12 02:16:32,598 INFO L899 garLoopResultBuilder]: For program point L916-1(lines 908 932) no Hoare annotation was computed. [2023-11-12 02:16:32,598 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 256 262) no Hoare annotation was computed. [2023-11-12 02:16:32,598 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 293) no Hoare annotation was computed. [2023-11-12 02:16:32,598 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 298) no Hoare annotation was computed. [2023-11-12 02:16:32,598 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-12 02:16:32,599 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 50 57) no Hoare annotation was computed. [2023-11-12 02:16:32,599 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 245 268) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:16:32,599 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 374 392) no Hoare annotation was computed. [2023-11-12 02:16:32,600 INFO L899 garLoopResultBuilder]: For program point L249-1(lines 248 267) no Hoare annotation was computed. [2023-11-12 02:16:32,600 INFO L895 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:16:32,601 INFO L899 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2023-11-12 02:16:32,601 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 245 268) no Hoare annotation was computed. [2023-11-12 02:16:32,602 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 329 337) no Hoare annotation was computed. [2023-11-12 02:16:32,602 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-12 02:16:32,603 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:16:32,603 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2023-11-12 02:16:32,604 INFO L899 garLoopResultBuilder]: For program point L86(lines 61 90) no Hoare annotation was computed. [2023-11-12 02:16:32,604 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-11-12 02:16:32,604 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2023-11-12 02:16:32,604 INFO L902 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: true [2023-11-12 02:16:32,614 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 61 90) the Hoare annotation is: true [2023-11-12 02:16:32,614 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2023-11-12 02:16:32,614 INFO L902 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: true [2023-11-12 02:16:32,615 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2023-11-12 02:16:32,615 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-12 02:16:32,615 INFO L895 garLoopResultBuilder]: At program point L225(lines 174 226) the Hoare annotation is: false [2023-11-12 02:16:32,615 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 408 415) no Hoare annotation was computed. [2023-11-12 02:16:32,615 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2023-11-12 02:16:32,616 INFO L895 garLoopResultBuilder]: At program point L213-2(lines 205 220) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:16:32,616 INFO L899 garLoopResultBuilder]: For program point L176(lines 175 224) no Hoare annotation was computed. [2023-11-12 02:16:32,616 INFO L895 garLoopResultBuilder]: At program point L399(line 399) the Hoare annotation is: false [2023-11-12 02:16:32,616 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 126 135) no Hoare annotation was computed. [2023-11-12 02:16:32,616 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 220) no Hoare annotation was computed. [2023-11-12 02:16:32,617 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 884 890) no Hoare annotation was computed. [2023-11-12 02:16:32,617 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 139 161) no Hoare annotation was computed. [2023-11-12 02:16:32,617 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:16:32,617 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:16:32,617 INFO L895 garLoopResultBuilder]: At program point L222(lines 175 224) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:16:32,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:16:32,618 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2023-11-12 02:16:32,618 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2023-11-12 02:16:32,618 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 181) no Hoare annotation was computed. [2023-11-12 02:16:32,618 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 118 124) no Hoare annotation was computed. [2023-11-12 02:16:32,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:16:32,619 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 156) no Hoare annotation was computed. [2023-11-12 02:16:32,619 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 156) no Hoare annotation was computed. [2023-11-12 02:16:32,619 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2023-11-12 02:16:32,619 INFO L899 garLoopResultBuilder]: For program point L397-1(lines 397 403) no Hoare annotation was computed. [2023-11-12 02:16:32,619 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:16:32,620 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 891 897) no Hoare annotation was computed. [2023-11-12 02:16:32,620 INFO L899 garLoopResultBuilder]: For program point L228(lines 165 232) no Hoare annotation was computed. [2023-11-12 02:16:32,620 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2023-11-12 02:16:32,620 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2023-11-12 02:16:32,620 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:16:32,621 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 393 407) no Hoare annotation was computed. [2023-11-12 02:16:32,621 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 898 906) no Hoare annotation was computed. [2023-11-12 02:16:32,621 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2023-11-12 02:16:32,621 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 432 443) the Hoare annotation is: true [2023-11-12 02:16:32,621 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 432 443) no Hoare annotation was computed. [2023-11-12 02:16:32,630 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:16:32,633 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:16:32,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:16:32 BoogieIcfgContainer [2023-11-12 02:16:32,653 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:16:32,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:16:32,654 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:16:32,654 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:16:32,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:30" (3/4) ... [2023-11-12 02:16:32,660 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:16:32,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-12 02:16:32,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-12 02:16:32,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-12 02:16:32,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-12 02:16:32,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-12 02:16:32,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-12 02:16:32,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-12 02:16:32,678 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-12 02:16:32,679 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 02:16:32,679 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:16:32,680 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:16:32,681 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:16:32,845 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:16:32,846 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:16:32,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:16:32,847 INFO L158 Benchmark]: Toolchain (without parser) took 3738.76ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 85.7MB in the beginning and 134.9MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:16:32,847 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 132.1MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:16:32,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.39ms. Allocated memory is still 132.1MB. Free memory was 85.2MB in the beginning and 66.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:16:32,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.15ms. Allocated memory is still 132.1MB. Free memory was 66.3MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:16:32,849 INFO L158 Benchmark]: Boogie Preprocessor took 60.69ms. Allocated memory is still 132.1MB. Free memory was 64.3MB in the beginning and 62.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:16:32,849 INFO L158 Benchmark]: RCFGBuilder took 633.70ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 62.6MB in the beginning and 150.8MB in the end (delta: -88.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-11-12 02:16:32,850 INFO L158 Benchmark]: TraceAbstraction took 2016.35ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 142.2MB in the end (delta: 7.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-11-12 02:16:32,850 INFO L158 Benchmark]: Witness Printer took 192.49ms. Allocated memory is still 180.4MB. Free memory was 142.2MB in the beginning and 134.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:16:32,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 132.1MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.39ms. Allocated memory is still 132.1MB. Free memory was 85.2MB in the beginning and 66.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.15ms. Allocated memory is still 132.1MB. Free memory was 66.3MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.69ms. Allocated memory is still 132.1MB. Free memory was 64.3MB in the beginning and 62.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.70ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 62.6MB in the beginning and 150.8MB in the end (delta: -88.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2016.35ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 142.2MB in the end (delta: 7.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 192.49ms. Allocated memory is still 180.4MB. Free memory was 142.2MB in the beginning and 134.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] - GenericResultAtLocation [Line: 872]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 549 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 224 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 325 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 104 PreInvPairs, 116 NumberOfFragments, 71 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 175 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-12 02:16:32,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a528b07-2098-4368-ae6f-b5742f098085/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE